|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Slates & boards, with writing/drawing surfaces, whether or not framed | $14,485,000 | $14,923,000 | $18,627,000 | $22,856,000 | $21,236,000 | $23,554,696 | $27,101,784 |
| Total | $14,485,000 | $14,923,000 | $18,627,000 | $22,856,000 | $21,236,000 | $23,554,696 | $27,101,784 |
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